return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CH2ClCCCl (1,3-dichloropropyne)

using model chemistry: PBEPBE/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/6-31G**
 hartrees
Energy at 0K-1035.278719
Energy at 298.15K-1035.279541
HF Energy-1035.278719
Nuclear repulsion energy214.557939
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at PBEPBE/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3016 2975 9.66      
2 A' 2281 2249 112.33      
3 A' 1427 1408 1.45      
4 A' 1245 1228 62.33      
5 A' 1117 1102 0.38      
6 A' 667 658 89.63      
7 A' 616 608 33.85      
8 A' 382 376 3.28      
9 A' 252 249 0.50      
10 A' 90 89 1.09      
11 A" 3068 3026 0.84      
12 A" 1150 1134 0.05      
13 A" 880 868 1.38      
14 A" 255 251 0.28      
15 A" 179 177 5.88      

Unscaled Zero Point Vibrational Energy (zpe) 8312.7 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 8198.8 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at PBEPBE/6-31G**
ABC
0.54268 0.03125 0.02971

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.186 0.232 0.000
C2 0.000 0.522 0.000
C3 -1.401 0.877 0.000
Cl4 2.783 -0.163 0.000
Cl5 -2.510 -0.584 0.000
H6 -1.672 1.459 0.895
H7 -1.672 1.459 -0.895

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 Cl5 H6 H7
C11.22052.66591.64543.78513.23613.2361
C21.22051.44542.86592.74312.11542.1154
C32.66591.44544.31131.83461.10111.1011
Cl41.64542.86594.31135.31004.82484.8248
Cl53.78512.74311.83465.31002.38262.3826
H63.23612.11541.10114.82482.38261.7893
H73.23612.11541.10114.82482.38261.7893

picture of 1,3-dichloropropyne state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 179.485 C2 C1 Cl4 179.820
C2 C3 Cl5 112.969 C2 C3 H6 111.628
C2 C3 H7 111.628 Cl5 C3 H6 105.782
Cl5 C3 H7 105.782 H6 C3 H7 108.686
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.263      
2 C 0.264      
3 C -0.494      
4 Cl 0.137      
5 Cl -0.050      
6 H 0.203      
7 H 0.203      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.878 1.644 0.000 1.864
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.148 -3.919 0.000
y -3.919 -40.306 0.000
z 0.000 0.000 -41.832
Traceless
 xyz
x -0.079 -3.919 0.000
y -3.919 1.184 0.000
z 0.000 0.000 -1.105
Polar
3z2-r2-2.211
x2-y2-0.842
xy-3.919
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 13.737 -0.363 0.000
y -0.363 5.431 0.000
z 0.000 0.000 4.008


<r2> (average value of r2) Å2
<r2> 308.946
(<r2>)1/2 17.577